Update runtime files
diff --git a/runtime/doc/message.txt b/runtime/doc/message.txt
index 1690e41..f174884 100644
--- a/runtime/doc/message.txt
+++ b/runtime/doc/message.txt
@@ -1,4 +1,4 @@
-*message.txt* For Vim version 8.2. Last change: 2021 Dec 13
+*message.txt* For Vim version 8.2. Last change: 2022 Jan 08
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -118,7 +118,8 @@
*E95* >
Buffer with this name already exists
-You cannot have two buffers with the same name.
+You cannot have two buffers with exactly the same name. This includes the
+path leading to the file.
*E72* >
Close error on swap file
@@ -534,10 +535,10 @@
*E22* >
Scripts nested too deep
-Scripts can be read with the "-s" command-line argument and with the ":source"
-command. The script can then again read another script. This can continue
-for about 14 levels. When more nesting is done, Vim assumes that there is a
-recursive loop somewhere and stops with this error message.
+Scripts can be read with the "-s" command-line argument and with the
+`:source!` command. The script can then again read another script. This can
+continue for about 14 levels. When more nesting is done, Vim assumes that
+there is a recursive loop and stops with this error message.
*E319* >
Sorry, the command is not available in this version
@@ -727,6 +728,7 @@
Trailing characters
An argument has been added to an Ex command that does not permit one.
+Or the argument has invalid characters and has not been recognized.
*E477* *E478* >
No ! allowed